10203011223101 has 4 divisors (see below), whose sum is σ = 10203238420572. Its totient is φ = 10202784025632.

The previous prime is 10203011223077. The next prime is 10203011223103. The reversal of 10203011223101 is 10132211030201.

10203011223101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1837895376100 + 8365115847001 = 1355690^2 + 2892251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10203011223101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10203011223101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203011223103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113531360 + ... + 113621193.

It is an arithmetic number, because the mean of its divisors is an integer number (2550809605143).

Almost surely, 2^{10203011223101} is an apocalyptic number.

It is an amenable number.

10203011223101 is a deficient number, since it is larger than the sum of its proper divisors (227197471).

10203011223101 is an equidigital number, since it uses as much as digits as its factorization.

10203011223101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227197470.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10203011223101 its reverse (10132211030201), we get a palindrome (20335222253302).

The spelling of 10203011223101 in words is "ten trillion, two hundred three billion, eleven million, two hundred twenty-three thousand, one hundred one".